"Monks, for one in whom mindfulness immersed in the body is cultivated, developed, pursued, handed the reins and taken as a basis, given a grounding, steadied, consolidated, & well-undertaken, ten benefits can be expected. Which ten?

...he is the sort that can endure bodily feelings that, when they arise, are painful, sharp, stabbing, fierce, distasteful, disagreeable, deadly.

I deal with chronic pain. Best advice really has been for me that pain is temporary, it changes, flows, ebbs... Thinking it is permanent or never-ending in the same way is wrong view. Sometimes just observing it can be helpful. Also, if you deal with chronic pain, realizing there are times it will get in the way of your practice, and seeing it as OK is also helpful.